Origin
-
Switzerland, Australia, Brazil
Color
Black, Blue, Yellow, Green
Yellow, Colorless, White, Brownish, Reddish
Streak
Grey, Greenish, Brown
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.445.9-6.3
1
7.18
👆🏻
Fracture
Uneven, Splintery
Conchoidal, Uneven
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5.0-6.04.5-5
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Silky
Vitreous, Adamantine
Pleochroism
X = blue
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
Translucent, Transparent
Refractive Index
1.680-1.6981.918-1.936
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.005-0.0080.016
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Clear Thinking
Balance & Clarity